diff --git a/bert/Makefile b/bert/Makefile
index c6583fc..0ad4e20 100644
--- a/bert/Makefile
+++ b/bert/Makefile
@@ -4,13 +4,13 @@ current_dir:=$(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
 .PHONY: deploy
 deploy:
 	rsync -avz $(current_dir)/ root@bert:config/
-	ssh root@bert nixos-rebuild switch --fast -I nixos-config=/root/config/configuration.nix
+	ssh root@bert nixos-rebuild switch --no-reexec -I nixos-config=/root/config/configuration.nix
 
 .PHONY: local-build-deploy
 local-build-deploy:
-	nixos-rebuild switch --fast -I nixos-config=./configuration.nix --build-host root@bert --target-host root@bert
+	nixos-rebuild switch --no-reexec -I nixos-config=./configuration.nix --build-host root@bert --target-host root@bert
 
 .PHONY: deploy-upgrade
 deploy-upgrade:
 	rsync -avz $(current_dir)/ root@bert:config/
-	ssh root@bert nixos-rebuild switch --upgrade-all --fast -I nixos-config=/root/config/configuration.nix
+	ssh root@bert nixos-rebuild switch --upgrade-all --no-reexec -I nixos-config=/root/config/configuration.nix
diff --git a/bigbird/Makefile b/bigbird/Makefile
index 7b9f27b..6c622aa 100644
--- a/bigbird/Makefile
+++ b/bigbird/Makefile
@@ -4,17 +4,17 @@ current_dir:=$(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
 .PHONY: deploy
 deploy:
 	rsync -av $(current_dir)/ root@bigbird:config/
-	ssh root@bigbird nixos-rebuild switch --fast -I nixos-config=/root/config/configuration.nix
+	ssh root@bigbird nixos-rebuild switch --no-reexec -I nixos-config=/root/config/configuration.nix
 
 ## This probably doesn't work, since architectures are different?
 # .PHONY: local-build-deploy
 # local-build-deploy:
-# 	nixos-rebuild switch --fast -I nixos-config=./configuration.nix --build-host root@animal.chandlerswift.com --target-host root@animal.chandlerswift.com
+# 	nixos-rebuild switch --no-reexec -I nixos-config=./configuration.nix --build-host root@animal.chandlerswift.com --target-host root@animal.chandlerswift.com
 
 .PHONY: deploy-upgrade
 deploy-upgrade:
 	rsync -avz $(current_dir)/ root@bigbird:config/
-	ssh root@bigbird nixos-rebuild switch --upgrade-all --fast -I nixos-config=/root/config/configuration.nix
+	ssh root@bigbird nixos-rebuild switch --upgrade-all --no-reexec -I nixos-config=/root/config/configuration.nix
 
 # TODO: build an SD card?
 #sd-image: